| Nemegtosaurus Temporal range: Late Cretaceous,
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| Cast of the skull of Nemegtosaurus on a reconstructed Opisthocoelicaudia skeleton, Museum of Evolution of Polish Academy of Sciences, Warsaw | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Macronaria |
| Clade: | †Titanosauria |
| Family: | †Nemegtosauridae |
| Genus: | †Nemegtosaurus Nowinski, 1971 |
| Species | |
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Nemegtosaurus (meaning 'Reptile from the Nemegt') was a sauropod dinosaur from the Late Cretaceous Period of what is now Mongolia. It was named after the Nemegt Basin in the Gobi Desert, where the remains — a single skull — were found. The skull resembles diplodocoids in being long and low, with pencil-shaped teeth. However, recent work has shown that Nemegtosaurus is in fact a titanosaur, closely related to animals such as Saltasaurus,[1] Alamosaurus and Rapetosaurus.